Name: 
 

Lesson 4 - Renaming Numbers



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The area, in square kilometres, of the world’s oceans is shown in the chart below.
Ocean
Area (km2)
Arctic
14 056 000
Atlantic
76 762 000
Indian
68 556 000
Pacific
155 557 000
Southern
20 327 000
                                                                                                    Source: WorldAtlas.com

Which represents the area of the Indian ocean in decimal millions with two decimal places?
a.
6.86 km2
b.
685.56 km2
c.
68.56 km2
 

 2. 

Refer to the chart in question 1. Which represents the area of the Pacific Ocean in decimal millions with one decimal place.
a.
155.6 km2
b.
1.6 km2
c.
15.6 km2
 

 3. 

Refer to the chart in question 1. Which represents the area of the Southern Ocean in decimal millions with one decimal place.
a.
20.3 km2
b.
2032.7 km2
c.
203.3 km2
 

 4. 

The area, in square kilometres, of the land and water surfaces of the Earth are shown in the chart below.
Surface
Area (km2)
Surface area
510 066 000
Land area
148 647 000
Ocean area
335 258 000
Total Water area
361 419 000
                                                                                                                Source: WorldAtlas.com
Which represents the surface area in decimal millions with two decimal places?
a.
5.10 km2
b.
51.01 km2
c.
510.07 km2
 

 5. 

The land area of the Earth is about 148.6 million square kilometres. The total water area of the Earth is about 361.4 million square kilometres. How much more area is water than land?
a.
510 million km2
b.
2.43 million km2
c.
212.8 million km2
 

 6. 

What is the missing number?

                  5.7 million = mc006-1.jpg ones
a.
5 700 000 ones
b.
570 000 ones
c.
5 700 ones
 

 7. 

What is the missing number?

         4800 thousands = mc007-1.jpg millions
a.
48 millions
b.
4.8 millions
c.
0.48 millions
 

 8. 

What is the missing number?

         0.52 millions = mc008-1.jpg ones
a.
5200 ones
b.
520 000 ones
c.
5 200 000 ones
 

 9. 

Which number represents 26.3 million in standard form?
a.
26 300 000
b.
2 630 000
c.
263 000 000
 

 10. 

Which number represents 0.06 million in standard form?
a.
6000
b.
600 000
c.
60 000
 



 
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